English School and Constructivist School too have similarities and differences. They both strive to show the social bases of international relations and for both of them society is constructed with norms and institutions. They also stress the
significance of norms and other ideational factors such as identity and values. Yet again there are key differences. As Buzan (2014, 33) pointed out the
“English School has its main roots in the study of history, political theory and international law, whereas Constructivism grew out of debates about epistemology and method.